/*
 * SVG Salamander
 * Copyright (c) 2004, Mark McKay
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or 
 * without modification, are permitted provided that the following
 * conditions are met:
 *
 *   - Redistributions of source code must retain the above 
 *     copyright notice, this list of conditions and the following
 *     disclaimer.
 *   - Redistributions in binary form must reproduce the above
 *     copyright notice, this list of conditions and the following
 *     disclaimer in the documentation and/or other materials 
 *     provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE. 
 * 
 * Mark McKay can be contacted at mark@kitfox.com.  Salamander and other
 * projects can be found at http://www.kitfox.com
 *
 * Created on May 10, 2005, 5:56 AM
 */

package com.kitfox.svg.pathcmd;

import java.awt.geom.AffineTransform;
import java.awt.geom.GeneralPath;
import java.awt.geom.PathIterator;

/**
 *
 * @author kitfox
 */
public class PathUtil {

	/** Creates a new instance of PathUtil */
	public PathUtil() {
	}

	/**
	 * Converts a GeneralPath into an SVG representation
	 */
	public static String buildPathString(GeneralPath path) {
		float[] coords = new float[6];

		StringBuffer sb = new StringBuffer();

		for (PathIterator pathIt = path.getPathIterator(
				new AffineTransform()); !pathIt.isDone(); pathIt.next()) {
			int segId = pathIt.currentSegment(coords);

			switch (segId) {
			case PathIterator.SEG_CLOSE: {
				sb.append(" Z");
				break;
			}
			case PathIterator.SEG_CUBICTO: {
				sb.append(" C " + coords[0] + " " + coords[1] + " " + coords[2]
						+ " " + coords[3] + " " + coords[4] + " " + coords[5]);
				break;
			}
			case PathIterator.SEG_LINETO: {
				sb.append(" L " + coords[0] + " " + coords[1]);
				break;
			}
			case PathIterator.SEG_MOVETO: {
				sb.append(" M " + coords[0] + " " + coords[1]);
				break;
			}
			case PathIterator.SEG_QUADTO: {
				sb.append(" Q " + coords[0] + " " + coords[1] + " " + coords[2]
						+ " " + coords[3]);
				break;
			}
			}
		}

		return sb.toString();
	}
}
